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Kimi K3 is Moonshot AI's July 2026 flagship model, a 2.8-trillion-parameter mixture-of-experts model with native multimodal vision and a 1M-token context window. It is built for long-horizon coding, reasoning, and agent workflows, positioned as an open-weight competitor to top proprietary frontier models.
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AuthorMoonshot
Country🇨🇳 China
ReleasedJul 16, 2026
Overview
Cost rate
3x
Context
1M
Input
Output
Reasoning
Tool calling
Structured outputs
Pricing/M tokens
Input$3.00
Cached input$0.30
Output$15.00
Context
Context length1,048,576
Max output tokens943,718
Knowledge cutoff-
Performance
Throughput42 tok/s
Latency3.29s
Benchmarks
Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.
Intelligence
53.4
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)52.8
GPT-6 Astra (max)
GPT-6 Astra (max)50.7
